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update

28810
2019-08-18 21:13:57 +08:00
parent c799fc50d0
commit 336629b477
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多表查询.md

@@ -114,6 +114,15 @@ sql = select.From<TestTypeInfo, TestTypeParentInfo>((s, b, c) => s
//WHERE (a.`Id` = 10 AND c.`Name` = 'xxx') AND (b.`ParentId` = 20) //WHERE (a.`Id` = 10 AND c.`Name` = 'xxx') AND (b.`ParentId` = 20)
``` ```
或者
```csharp
sql = fsql.Select<Topic, TestTypeInfo, TestTypeParentInfo>()
.Where((a, b, c) => a.Id == 10 && c.Name == "xxxx")
.Where((a, b, c) => b.ParentId == 20)
.ToSql();
```
## 子表 Exists ## 子表 Exists
```csharp ```csharp
var sql2222 = select.Where(a => select.Where(b => b.Id == a.Id).Any()).ToList(); var sql2222 = select.Where(a => select.Where(b => b.Id == a.Id).Any()).ToList();